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tests: use zero device

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Change the test to use 'zero' backend, so we could use larger size
and get 'larger' buffer of dirty blocks for fast CPUs...
This commit is contained in:
Zdenek Kabelac 2023-07-17 13:42:58 +02:00
parent 06e39625ee
commit 39cc12e7c2
1 changed files with 9 additions and 7 deletions
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16
test/shell/lvconvert-cache-abort.sh
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@ -19,14 +19,15 @@ SKIP_WITH_LVMPOLLD=1
aux have_cache 1 3 0 || skip
aux prepare_vg 2
aux prepare_vg
SIZE_MB=4
SIZE_MB=200
# Data device on later delayed dev1
lvcreate -L4 -n cpool $vg "$dev1"
lvconvert -y --type cache-pool $vg/cpool "$dev2"
lvcreate -H -L $SIZE_MB -n $lv1 --chunksize 32k --cachemode writeback --cachepool $vg/cpool $vg "$dev2"
# Use large zero device and later delayed metadata dev1
lvcreate -L$((SIZE_MB * 2))M --type zero -n cpool $vg
lvconvert -y --type cache-pool --chunksize 32k $vg/cpool "$dev1"
lvcreate -L$((SIZE_MB * 2))M --type zero -n $lv1 $vg
lvconvert -y -H --chunksize 32k --cachemode writeback --cachepool $vg/cpool $vg/$lv1
#
# Ensure cache gets promoted blocks
@ -36,7 +37,7 @@ dd if=/dev/zero of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=$SIZE_MB oflag=direct || t
dd if="$DM_DEV_DIR/$vg/$lv1" of=/dev/null bs=1M count=$SIZE_MB iflag=direct || true
done
aux delay_dev "$dev2" 0 300 "$(get first_extent_sector "$dev2"):"
aux delay_dev "$dev1" 0 200 "$(get first_extent_sector "$dev1"):"
dd if=/dev/zero of="$DM_DEV_DIR/$vg/$lv1" bs=1M count=$SIZE_MB
lvdisplay --maps $vg
@ -83,5 +84,6 @@ grep -E "Flushing.*aborted" logconvert || {
# check the table got restored
check grep_dmsetup table $vg-$lv1 "writeback"
lvdisplay --maps $vg
vgremove -f $vg